31412661

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{809}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 49066560

約数和(自身を除く): 17653899

約数列:

[1, 3, 7, 21, 43, 129, 301, 809, 903, 1849, 2427, 5547, 5663, 12943, 16989, 34787, 38829, 104361, 243509, 730527, 1495841, 4487523, 10470887, 31412661]

約数ペア:

[(1, 31412661), (3, 10470887), (7, 4487523), (21, 1495841), (43, 730527), (129, 243509), (301, 104361), (809, 38829), (903, 34787), (1849, 16989), (2427, 12943), (5547, 5663)]